import java.util.*;

class Student{
	private String name;
	private byte age;
	private char sex;
	private int id;
	private static int idCount = 0;
	
	Student(){
		this(" ", (byte)10, 'F', this.id);
	}
	
	Student(String name){
		this(name, (byte)10, 'F', this.id);
	}
	
	Student(String name, byte age){
		this(name, age, 'F', this.id);
	}

	Student(String name, byte age, char sex){
		this.name = name;
		this.age = age;
		this.sex = sex;
		id = ++idCount;
	}
	
	public void setName(String name){
		this.name = name;
	}

	public String getName(){
		return name;
	}

	public void setAge(byte age){
		this.age = age;
	}

	public byte getAge(){
		return age;
	}

	public void setSex(char sex){
		this.sex = sex;
	}

	public char getSex(){
		return sex;
	}

	public void setId(int id){
		this.id = id;
	}
	
	public int getId(){
		return id;
	}
